﻿using System.Windows;
using Microsoft.Phone.Scheduler;
using System;
using Microsoft.Phone.Shell;
using System.Linq;

namespace TM.QWeibo.ScheduledAgent
{
    public class ScheduledAgent : ScheduledTaskAgent
    {
        private static volatile bool _classInitialized;

        /// <remarks>
        /// ScheduledAgent constructor, initializes the UnhandledException handler
        /// </remarks>
        public ScheduledAgent()
        {
            if (!_classInitialized)
            {
                _classInitialized = true;
                // Subscribe to the managed exception handler
                Deployment.Current.Dispatcher.BeginInvoke(delegate
                {
                    Application.Current.UnhandledException += ScheduledAgent_UnhandledException;
                });
            }
        }

        /// Code to execute on Unhandled Exceptions
        private void ScheduledAgent_UnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e)
        {
            if (System.Diagnostics.Debugger.IsAttached)
            {
                // An unhandled exception has occurred; break into the debugger
                System.Diagnostics.Debugger.Break();
            }
        }

        /// <summary>
        /// Agent that runs a scheduled task
        /// </summary>
        /// <param name="task">
        /// The invoked task
        /// </param>
        /// <remarks>
        /// This method is called when a periodic or resource intensive task is invoked
        /// </remarks>
        protected override void OnInvoke(ScheduledTask task)
        {
            //TODO: Add code to perform your task in background
            try
            {
                if (Common.OauthHelper.IsVerified)
                {
                    Dal.Status.Instance.Check((rs) =>
                    {
                        var count = rs.Home;
                        ShellTile TileToFind = ShellTile.ActiveTiles.First();
                        if (TileToFind != null)
                        {
                            StandardTileData NewTileData = new StandardTileData
                            {
                                Count = rs.Home
                            };
                            TileToFind.Update(NewTileData);
                        }
                        //ScheduledActionService.LaunchForTest(Common.Params.PeriodicTaskName, TimeSpan.FromSeconds(2));
                        NotifyComplete();
                    });
                    
                }
            }
            catch
            {
                NotifyComplete();
            }
        }

    }
}